色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

物理是思想的框架。 。。。追索到事情的本質，再從那里思考下去。

"The stories we tell ourselves about who we are and where we come from shape our identity and our destiny."

Only two things in this world so that our souls are deeply shocked First, our brilliant stars overhead, First, our hearts lofty moral laws.